A large new study that followed thousands of women with early-stage breast cancer for a median of more than five years has found that those treated with Herceptin for only six months did just as well as those treated for a year, and had less side effects.
![You are currently viewing Too much medicine: Herceptin treatment can be shortened](http://www.too-much-medicine.com/wp-content/uploads/2018/05/breastcancer.jpg)